Base | Representation |
---|---|
bin | 11011111010101… |
… | …01010011010010 |
3 | 121022122200002120 |
4 | 31331111103102 |
5 | 434422304332 |
6 | 35123155110 |
7 | 5542340616 |
oct | 1575252322 |
9 | 538580076 |
10 | 234181842 |
11 | 11020a314 |
12 | 66515a96 |
13 | 3969484b |
14 | 2315d346 |
15 | 1585c32c |
hex | df554d2 |
234181842 has 8 divisors (see below), whose sum is σ = 468363696. Its totient is φ = 78060612.
The previous prime is 234181841. The next prime is 234181847. The reversal of 234181842 is 248181432.
It is a sphenic number, since it is the product of 3 distinct primes.
234181842 is an admirable number.
It is a super-2 number, since 2×2341818422 = 109682270245025928, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (234181841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19515148 + ... + 19515159.
It is an arithmetic number, because the mean of its divisors is an integer number (58545462).
Almost surely, 2234181842 is an apocalyptic number.
234181842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234181842 is a wasteful number, since it uses less digits than its factorization.
234181842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39030312.
The product of its digits is 12288, while the sum is 33.
The square root of 234181842 is about 15303.0010782199. The cubic root of 234181842 is about 616.3835965322.
Subtracting from 234181842 its sum of digits (33), we obtain a square (234181809 = 153032).
The spelling of 234181842 in words is "two hundred thirty-four million, one hundred eighty-one thousand, eight hundred forty-two".
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